On 30 Nov 2010, at 15:45, Birte Glimm wrote:
> I wanted to say (hopefullt clearer this time) that we should NOT leave
> these things up to choice. We'll then have implemenations that do one
> things, others that do the other thing and implementors who implement
> both with extra effort and then let users choose. We should come to a
> decision here IMO.
Indeed. And, for example, a decision against having in addition the possibility to deal with non-distinguished variables in the query will force OWL2-QL and OWL2-EL implementors not to adopt SPARQL or to create their own non standard variant.
--e.